Unusual location of cardiac hydatid cyst

Abstract

Hydatidosis is an epidemic disease in Tunisia. The cardiac presentation is rare. We report the case of a young woman, with history of liver and bilateral lung hydatidosis in childhood. She described a right chest pain and dyspnea. The computerized tomography scan confirmed the diagnosis of cardiac hydatid cyst with hydatid embolism in the lower right lung lobe. Exploration during surgery found a hydatid cyst located in the transverse sinus displacing the trunk of the pulmonary artery and the ascending aorta. We found a zone of weakness of the right pulmonary artery at its lower edge which was sutured. Adjuvant treatment based on Albendazol was prescribed. The diagnosis of cardiac hydatidosis is often difficult, and it is characterized by its potential seriousness, given the high risk of cyst rupture with pericardial dissemination or embolization in large vessels or cardiac cavities.

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